Re: [PATCH] kallsyms: Replace all non-returning strlcpy with strscpy
From: Kees Cook
Date: Wed Jun 14 2023 - 14:47:37 EST
On Wed, 14 Jun 2023 01:03:54 +0000, Azeem Shaikh wrote:
> strlcpy() reads the entire source buffer first.
> This read may exceed the destination size limit.
> This is both inefficient and can lead to linear read
> overflows if a source string is not NUL-terminated [1].
> In an effort to remove strlcpy() completely [2], replace
> strlcpy() here with strscpy().
> No return values were used, so direct replacement is safe.
>
> [...]
Applied to for-next/hardening, thanks!
[1/1] kallsyms: Replace all non-returning strlcpy with strscpy
https://git.kernel.org/kees/c/5a5d3a09dd76
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Kees Cook